Seat Occupant Sensor: Service and Repair

Occupant Detection ECU:

REPLACEMENT

1. PRECAUTION
Refer to Air Bag Systems; Service Precautions.
2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
Wait for at least 90 seconds after disconnecting the cable to prevent the airbag from working.

3. REMOVE FRONT RH SEAT ASSEMBLY




4. REMOVE OCCUPANT DETECTION ECU
a. Disconnect the connector from the occupant detection ECU.




b. Disengage the claw and remove the occupant detection ECU.

5. INSTALL OCCUPANT DETECTION ECU
a. Check that the ignition switch is OFF.
b. Check that the cable is disconnected from the battery negative (-) terminal is disconnected.

CAUTION: After removing the cable from the terminal, wait for at least 90 seconds before starting the operation.

c. Engage the claw and install the occupant detection ECU.

NOTE:
- If the occupant classification ECU has been dropped, or there are cracks, dents or other defects in the case or connector, replace it with a new one.
- When installing the occupant detection ECU, make sure that the SRS wiring does not interfere with any other parts and that it is not pinched between other parts.

d. Connect the connector to the occupant detection ECU.

6. INSTALL FRONT RH SEAT ASSEMBLY
7. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

Torque: 3.9 N.m (40 kgf.cm, 35 in.lbf)

8. OCCUPANT CLASSIFICATION ECU INITIALIZATION
Refer to Air Bag Systems; Testing and Inspection.
9. INSPECT SRS WARNING LIGHT